miguelgrinberg.python-socketio/tests/test_asyncio_client.py

import sys
import unittest

import six
if six.PY3:
    from unittest import mock
else:
    import mock

from engineio import exceptions as engineio_exceptions
from socketio import exceptions
from socketio import packet
if six.PY3:
    import asyncio
    from asyncio import coroutine
    from socketio import asyncio_client
    from socketio import asyncio_namespace
else:
    # mock coroutine so that Python 2 doesn't complain
    def coroutine(f):
        return f


def AsyncMock(*args, **kwargs):
    """Return a mock asynchronous function."""
    m = mock.MagicMock(*args, **kwargs)

    @coroutine
    def mock_coro(*args, **kwargs):
        return m(*args, **kwargs)

    mock_coro.mock = m
    return mock_coro


def _run(coro):
    """Run the given coroutine."""
    return asyncio.get_event_loop().run_until_complete(coro)


@unittest.skipIf(sys.version_info < (3, 5), 'only for Python 3.5+')
class TestAsyncClient(unittest.TestCase):
    def test_is_asyncio_based(self):
        c = asyncio_client.AsyncClient()
        self.assertEqual(c.is_asyncio_based(), True)

    def test_connect(self):
        c = asyncio_client.AsyncClient()
        c.eio.connect = AsyncMock()
        _run(c.connect('url', headers='headers', transports='transports',
                       namespaces=['/foo', '/', '/bar'],
                       socketio_path='path'))
        self.assertEqual(c.connection_url, 'url')
        self.assertEqual(c.connection_headers, 'headers')
        self.assertEqual(c.connection_transports, 'transports')
        self.assertEqual(c.connection_namespaces, ['/foo', '/', '/bar'])
        self.assertEqual(c.socketio_path, 'path')
        self.assertEqual(c.namespaces, ['/foo', '/bar'])
        c.eio.connect.mock.assert_called_once_with(
            'url', headers='headers', transports='transports',
            engineio_path='path')

    def test_connect_one_namespace(self):
        c = asyncio_client.AsyncClient()
        c.eio.connect = AsyncMock()
        _run(c.connect('url', headers='headers', transports='transports',
                       namespaces='/foo',
                       socketio_path='path'))
        self.assertEqual(c.connection_url, 'url')
        self.assertEqual(c.connection_headers, 'headers')
        self.assertEqual(c.connection_transports, 'transports')
        self.assertEqual(c.connection_namespaces, ['/foo'])
        self.assertEqual(c.socketio_path, 'path')
        self.assertEqual(c.namespaces, ['/foo'])
        c.eio.connect.mock.assert_called_once_with(
            'url', headers='headers', transports='transports',
            engineio_path='path')

    def test_connect_default_namespaces(self):
        c = asyncio_client.AsyncClient()
        c.eio.connect = AsyncMock()
        c.on('foo', mock.MagicMock(), namespace='/foo')
        c.on('bar', mock.MagicMock(), namespace='/')
        _run(c.connect('url', headers='headers', transports='transports',
                       socketio_path='path'))
        self.assertEqual(c.connection_url, 'url')
        self.assertEqual(c.connection_headers, 'headers')
        self.assertEqual(c.connection_transports, 'transports')
        self.assertEqual(c.connection_namespaces, None)
        self.assertEqual(c.socketio_path, 'path')
        self.assertEqual(c.namespaces, ['/foo'])
        c.eio.connect.mock.assert_called_once_with(
            'url', headers='headers', transports='transports',
            engineio_path='path')

    def test_connect_error(self):
        c = asyncio_client.AsyncClient()
        c.eio.connect = AsyncMock(
            side_effect=engineio_exceptions.ConnectionError('foo'))
        c.on('foo', mock.MagicMock(), namespace='/foo')
        c.on('bar', mock.MagicMock(), namespace='/')
        self.assertRaises(
            exceptions.ConnectionError, _run, c.connect(
                'url', headers='headers', transports='transports',
                socketio_path='path'))

    def test_wait_no_reconnect(self):
        c = asyncio_client.AsyncClient()
        c.eio.wait = AsyncMock()
        c.sleep = AsyncMock()
        c._reconnect_task = None
        _run(c.wait())
        c.eio.wait.mock.assert_called_once_with()
        c.sleep.mock.assert_called_once_with(1)

    def test_wait_reconnect_failed(self):
        c = asyncio_client.AsyncClient()
        c.eio.wait = AsyncMock()
        c.sleep = AsyncMock()
        states = ['disconnected']

        @coroutine
        def fake_wait():
            c.eio.state = states.pop(0)

        c._reconnect_task = fake_wait()
        _run(c.wait())
        c.eio.wait.mock.assert_called_once_with()
        c.sleep.mock.assert_called_once_with(1)

    def test_wait_reconnect_successful(self):
        c = asyncio_client.AsyncClient()
        c.eio.wait = AsyncMock()
        c.sleep = AsyncMock()
        states = ['connected', 'disconnected']

        @coroutine
        def fake_wait():
            c.eio.state = states.pop(0)
            c._reconnect_task = fake_wait()

        c._reconnect_task = fake_wait()
        _run(c.wait())
        self.assertEqual(c.eio.wait.mock.call_count, 2)
        self.assertEqual(c.sleep.mock.call_count, 2)

    def test_emit_no_arguments(self):
        c = asyncio_client.AsyncClient()
        c._send_packet = AsyncMock()
        _run(c.emit('foo'))
        expected_packet = packet.Packet(packet.EVENT, namespace='/',
                                        data=['foo'], id=None, binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_emit_one_argument(self):
        c = asyncio_client.AsyncClient()
        c._send_packet = AsyncMock()
        _run(c.emit('foo', 'bar'))
        expected_packet = packet.Packet(packet.EVENT, namespace='/',
                                        data=['foo', 'bar'], id=None,
                                        binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_emit_one_argument_list(self):
        c = asyncio_client.AsyncClient()
        c._send_packet = AsyncMock()
        _run(c.emit('foo', ['bar', 'baz']))
        expected_packet = packet.Packet(packet.EVENT, namespace='/',
                                        data=['foo', ['bar', 'baz']], id=None,
                                        binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_emit_two_arguments(self):
        c = asyncio_client.AsyncClient()
        c._send_packet = AsyncMock()
        _run(c.emit('foo', ('bar', 'baz')))
        expected_packet = packet.Packet(packet.EVENT, namespace='/',
                                        data=['foo', 'bar', 'baz'], id=None,
                                        binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_emit_namespace(self):
        c = asyncio_client.AsyncClient()
        c._send_packet = AsyncMock()
        _run(c.emit('foo', namespace='/foo'))
        expected_packet = packet.Packet(packet.EVENT, namespace='/foo',
                                        data=['foo'], id=None, binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_emit_with_callback(self):
        c = asyncio_client.AsyncClient()
        c._send_packet = AsyncMock()
        c._generate_ack_id = mock.MagicMock(return_value=123)
        _run(c.emit('foo', callback='cb'))
        expected_packet = packet.Packet(packet.EVENT, namespace='/',
                                        data=['foo'], id=123, binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())
        c._generate_ack_id.assert_called_once_with('/', 'cb')

    def test_emit_namespace_with_callback(self):
        c = asyncio_client.AsyncClient()
        c._send_packet = AsyncMock()
        c._generate_ack_id = mock.MagicMock(return_value=123)
        _run(c.emit('foo', namespace='/foo', callback='cb'))
        expected_packet = packet.Packet(packet.EVENT, namespace='/foo',
                                        data=['foo'], id=123, binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())
        c._generate_ack_id.assert_called_once_with('/foo', 'cb')

    def test_emit_binary(self):
        c = asyncio_client.AsyncClient(binary=True)
        c._send_packet = AsyncMock()
        _run(c.emit('foo', b'bar'))
        expected_packet = packet.Packet(packet.EVENT, namespace='/',
                                        data=['foo', b'bar'], id=None,
                                        binary=True)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_emit_not_binary(self):
        c = asyncio_client.AsyncClient(binary=False)
        c._send_packet = AsyncMock()
        _run(c.emit('foo', 'bar'))
        expected_packet = packet.Packet(packet.EVENT, namespace='/',
                                        data=['foo', 'bar'], id=None,
                                        binary=False)
        self.assertEqual(c._send_packet.mock.call_count, 1)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_send(self):
        c = asyncio_client.AsyncClient()
        c.emit = AsyncMock()
        _run(c.send('data', 'namespace', 'callback'))
        c.emit.mock.assert_called_once_with(
            'message', data='data', namespace='namespace',
            callback='callback')

    def test_send_with_defaults(self):
        c = asyncio_client.AsyncClient()
        c.emit = AsyncMock()
        _run(c.send('data'))
        c.emit.mock.assert_called_once_with(
            'message', data='data', namespace=None, callback=None)

    def test_disconnect(self):
        c = asyncio_client.AsyncClient()
        c._trigger_event = AsyncMock()
        c._send_packet = AsyncMock()
        c.eio = mock.MagicMock()
        c.eio.disconnect = AsyncMock()
        _run(c.disconnect())
        c._trigger_event.mock.assert_called_once_with(
            'disconnect', namespace='/')
        self.assertEqual(c._send_packet.mock.call_count, 1)
        expected_packet = packet.Packet(packet.DISCONNECT, namespace='/')
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())
        c.eio.disconnect.mock.assert_called_once_with(abort=True)

    def test_disconnect_namespaces(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo', '/bar']
        c._trigger_event = AsyncMock()
        c._send_packet = AsyncMock()
        _run(c.disconnect())
        self.assertEqual(c._trigger_event.mock.call_args_list, [
            mock.call('disconnect', namespace='/foo'),
            mock.call('disconnect', namespace='/bar'),
            mock.call('disconnect', namespace='/')
        ])
        self.assertEqual(c._send_packet.mock.call_count, 3)
        expected_packet = packet.Packet(packet.DISCONNECT, namespace='/foo')
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())
        expected_packet = packet.Packet(packet.DISCONNECT, namespace='/bar')
        self.assertEqual(c._send_packet.mock.call_args_list[1][0][0].encode(),
                         expected_packet.encode())
        expected_packet = packet.Packet(packet.DISCONNECT, namespace='/')
        self.assertEqual(c._send_packet.mock.call_args_list[2][0][0].encode(),
                         expected_packet.encode())

    def test_start_background_task(self):
        c = asyncio_client.AsyncClient()
        c.eio.start_background_task = mock.MagicMock(return_value='foo')
        self.assertEqual(c.start_background_task('foo', 'bar', baz='baz'),
                         'foo')
        c.eio.start_background_task.assert_called_once_with('foo', 'bar',
                                                            baz='baz')

    def test_sleep(self):
        c = asyncio_client.AsyncClient()
        c.eio.sleep = AsyncMock()
        _run(c.sleep(1.23))
        c.eio.sleep.mock.assert_called_once_with(1.23)

    def test_send_packet(self):
        c = asyncio_client.AsyncClient()
        c.eio.send = AsyncMock()
        _run(c._send_packet(packet.Packet(packet.EVENT, 'foo', binary=False)))
        c.eio.send.mock.assert_called_once_with('2"foo"', binary=False)

    def test_send_packet_binary(self):
        c = asyncio_client.AsyncClient()
        c.eio.send = AsyncMock()
        _run(c._send_packet(packet.Packet(packet.EVENT, b'foo', binary=True)))
        self.assertTrue(c.eio.send.mock.call_args_list == [
            mock.call('51-{"_placeholder":true,"num":0}', binary=False),
            mock.call(b'foo', binary=True)
        ] or c.eio.send.mock.call_args_list == [
            mock.call('51-{"num":0,"_placeholder":true}', binary=False),
            mock.call(b'foo', binary=True)
        ])

    def test_send_packet_default_binary_py3(self):
        c = asyncio_client.AsyncClient()
        c.eio.send = AsyncMock()
        _run(c._send_packet(packet.Packet(packet.EVENT, 'foo')))
        c.eio.send.mock.assert_called_once_with('2"foo"', binary=False)

    def test_handle_connect(self):
        c = asyncio_client.AsyncClient()
        c._trigger_event = AsyncMock()
        c._send_packet = AsyncMock()
        _run(c._handle_connect('/'))
        c._trigger_event.mock.assert_called_once_with('connect', namespace='/')
        c._send_packet.mock.assert_not_called()

    def test_handle_connect_with_namespaces(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo', '/bar']
        c._trigger_event = AsyncMock()
        c._send_packet = AsyncMock()
        _run(c._handle_connect('/'))
        c._trigger_event.mock.assert_called_once_with('connect', namespace='/')
        self.assertEqual(c._send_packet.mock.call_count, 2)
        expected_packet = packet.Packet(packet.CONNECT, namespace='/foo')
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())
        expected_packet = packet.Packet(packet.CONNECT, namespace='/bar')
        self.assertEqual(c._send_packet.mock.call_args_list[1][0][0].encode(),
                         expected_packet.encode())

    def test_handle_connect_namespace(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo']
        c._trigger_event = AsyncMock()
        c._send_packet = AsyncMock()
        _run(c._handle_connect('/foo'))
        _run(c._handle_connect('/bar'))
        self.assertEqual(c._trigger_event.mock.call_args_list, [
            mock.call('connect', namespace='/foo'),
            mock.call('connect', namespace='/bar')
        ])
        c._send_packet.mock.assert_not_called()
        self.assertEqual(c.namespaces, ['/foo', '/bar'])

    def test_handle_disconnect(self):
        c = asyncio_client.AsyncClient()
        c._trigger_event = AsyncMock()
        _run(c._handle_disconnect('/'))
        c._trigger_event.mock.assert_called_once_with(
            'disconnect', namespace='/')

    def test_handle_disconnect_namespace(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo', '/bar']
        c._trigger_event = AsyncMock()
        _run(c._handle_disconnect('/foo'))
        c._trigger_event.mock.assert_called_once_with(
            'disconnect', namespace='/foo')
        self.assertEqual(c.namespaces, ['/bar'])

    def test_handle_disconnect_unknown_namespace(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo', '/bar']
        c._trigger_event = AsyncMock()
        _run(c._handle_disconnect('/baz'))
        c._trigger_event.mock.assert_called_once_with(
            'disconnect', namespace='/baz')
        self.assertEqual(c.namespaces, ['/foo', '/bar'])

    def test_handle_event(self):
        c = asyncio_client.AsyncClient()
        c._trigger_event = AsyncMock()
        _run(c._handle_event('/', None, ['foo', ('bar', 'baz')]))
        c._trigger_event.mock.assert_called_once_with(
            'foo', '/', ('bar', 'baz'))

    def test_handle_event_with_id_no_arguments(self):
        c = asyncio_client.AsyncClient(binary=True)
        c._trigger_event = AsyncMock(return_value=None)
        c._send_packet = AsyncMock()
        _run(c._handle_event('/', 123, ['foo', ('bar', 'baz')]))
        c._trigger_event.mock.assert_called_once_with(
            'foo', '/', ('bar', 'baz'))
        self.assertEqual(c._send_packet.mock.call_count, 1)
        expected_packet = packet.Packet(packet.ACK, namespace='/', id=123,
                                        data=[], binary=None)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_handle_event_with_id_one_argument(self):
        c = asyncio_client.AsyncClient(binary=True)
        c._trigger_event = AsyncMock(return_value='ret')
        c._send_packet = AsyncMock()
        _run(c._handle_event('/', 123, ['foo', ('bar', 'baz')]))
        c._trigger_event.mock.assert_called_once_with(
            'foo', '/', ('bar', 'baz'))
        self.assertEqual(c._send_packet.mock.call_count, 1)
        expected_packet = packet.Packet(packet.ACK, namespace='/', id=123,
                                        data=['ret'], binary=None)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_handle_event_with_id_one_list_argument(self):
        c = asyncio_client.AsyncClient(binary=True)
        c._trigger_event = AsyncMock(return_value=['a', 'b'])
        c._send_packet = AsyncMock()
        _run(c._handle_event('/', 123, ['foo', ('bar', 'baz')]))
        c._trigger_event.mock.assert_called_once_with(
            'foo', '/', ('bar', 'baz'))
        self.assertEqual(c._send_packet.mock.call_count, 1)
        expected_packet = packet.Packet(packet.ACK, namespace='/', id=123,
                                        data=[['a', 'b']], binary=None)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_handle_event_with_id_two_arguments(self):
        c = asyncio_client.AsyncClient(binary=True)
        c._trigger_event = AsyncMock(return_value=('a', 'b'))
        c._send_packet = AsyncMock()
        _run(c._handle_event('/', 123, ['foo', ('bar', 'baz')]))
        c._trigger_event.mock.assert_called_once_with(
            'foo', '/', ('bar', 'baz'))
        self.assertEqual(c._send_packet.mock.call_count, 1)
        expected_packet = packet.Packet(packet.ACK, namespace='/', id=123,
                                        data=['a', 'b'], binary=None)
        self.assertEqual(c._send_packet.mock.call_args_list[0][0][0].encode(),
                         expected_packet.encode())

    def test_handle_ack(self):
        c = asyncio_client.AsyncClient()
        mock_cb = mock.MagicMock()
        c.callbacks['/foo'] = {123: mock_cb}
        _run(c._handle_ack('/foo', 123, ['bar', 'baz']))
        mock_cb.assert_called_once_with('bar', 'baz')
        self.assertNotIn(123, c.callbacks['/foo'])

    def test_handle_ack_async(self):
        c = asyncio_client.AsyncClient()
        mock_cb = AsyncMock()
        c.callbacks['/foo'] = {123: mock_cb}
        _run(c._handle_ack('/foo', 123, ['bar', 'baz']))
        mock_cb.mock.assert_called_once_with('bar', 'baz')
        self.assertNotIn(123, c.callbacks['/foo'])

    def test_handle_ack_not_found(self):
        c = asyncio_client.AsyncClient()
        mock_cb = mock.MagicMock()
        c.callbacks['/foo'] = {123: mock_cb}
        _run(c._handle_ack('/foo', 124, ['bar', 'baz']))
        mock_cb.assert_not_called()
        self.assertIn(123, c.callbacks['/foo'])

    def test_handle_error(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo', '/bar']
        c._handle_error('/bar')
        self.assertEqual(c.namespaces, ['/foo'])

    def test_handle_error_unknown_namespace(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo', '/bar']
        c._handle_error('/baz')
        self.assertEqual(c.namespaces, ['/foo', '/bar'])

    def test_trigger_event(self):
        c = asyncio_client.AsyncClient()
        handler = mock.MagicMock()
        c.on('foo', handler)
        _run(c._trigger_event('foo', '/', 1, '2'))
        handler.assert_called_once_with(1, '2')

    def test_trigger_event_namespace(self):
        c = asyncio_client.AsyncClient()
        handler = AsyncMock()
        c.on('foo', handler, namespace='/bar')
        _run(c._trigger_event('foo', '/bar', 1, '2'))
        handler.mock.assert_called_once_with(1, '2')

    def test_trigger_event_class_namespace(self):
        c = asyncio_client.AsyncClient()
        result = []

        class MyNamespace(asyncio_namespace.AsyncClientNamespace):
            def on_foo(self, a, b):
                result.append(a)
                result.append(b)

        c.register_namespace(MyNamespace('/'))
        _run(c._trigger_event('foo', '/', 1, '2'))
        self.assertEqual(result, [1, '2'])

    @mock.patch('socketio.client.random.random', side_effect=[1, 0, 0.5])
    def test_handle_reconnect(self, random):
        c = asyncio_client.AsyncClient()
        c._reconnect_task = 'foo'
        c.sleep = AsyncMock()
        c.connect = AsyncMock(
            side_effect=[ValueError, exceptions.ConnectionError, None])
        _run(c._handle_reconnect())
        self.assertEqual(c.sleep.mock.call_count, 3)
        self.assertEqual(c.sleep.mock.call_args_list, [
            mock.call(1.5),
            mock.call(1.5),
            mock.call(4.0)
        ])
        self.assertEqual(c._reconnect_task, None)

    @mock.patch('socketio.client.random.random', side_effect=[1, 0, 0.5])
    def test_handle_reconnect_max_delay(self, random):
        c = asyncio_client.AsyncClient(reconnection_delay_max=3)
        c._reconnect_task = 'foo'
        c.sleep = AsyncMock()
        c.connect = AsyncMock(
            side_effect=[ValueError, exceptions.ConnectionError, None])
        _run(c._handle_reconnect())
        self.assertEqual(c.sleep.mock.call_count, 3)
        self.assertEqual(c.sleep.mock.call_args_list, [
            mock.call(1.5),
            mock.call(1.5),
            mock.call(3.0)
        ])
        self.assertEqual(c._reconnect_task, None)

    @mock.patch('socketio.client.random.random', side_effect=[1, 0, 0.5])
    def test_handle_reconnect_max_attempts(self, random):
        c = asyncio_client.AsyncClient(reconnection_attempts=2)
        c._reconnect_task = 'foo'
        c.sleep = AsyncMock()
        c.connect = AsyncMock(
            side_effect=[ValueError, exceptions.ConnectionError, None])
        _run(c._handle_reconnect())
        self.assertEqual(c.sleep.mock.call_count, 2)
        self.assertEqual(c.sleep.mock.call_args_list, [
            mock.call(1.5),
            mock.call(1.5)
        ])
        self.assertEqual(c._reconnect_task, 'foo')

    def test_handle_eio_message(self):
        c = asyncio_client.AsyncClient()
        c._handle_connect = AsyncMock()
        c._handle_disconnect = AsyncMock()
        c._handle_event = AsyncMock()
        c._handle_ack = AsyncMock()
        c._handle_error = mock.MagicMock()

        _run(c._handle_eio_message('0'))
        c._handle_connect.mock.assert_called_with(None)
        _run(c._handle_eio_message('0/foo'))
        c._handle_connect.mock.assert_called_with('/foo')
        _run(c._handle_eio_message('1'))
        c._handle_disconnect.mock.assert_called_with(None)
        _run(c._handle_eio_message('1/foo'))
        c._handle_disconnect.mock.assert_called_with('/foo')
        _run(c._handle_eio_message('2["foo"]'))
        c._handle_event.mock.assert_called_with(None, None, ['foo'])
        _run(c._handle_eio_message('3/foo,["bar"]'))
        c._handle_ack.mock.assert_called_with('/foo', None, ['bar'])
        _run(c._handle_eio_message('4'))
        c._handle_error.assert_called_with(None)
        _run(c._handle_eio_message('4/foo'))
        c._handle_error.assert_called_with('/foo')
        _run(c._handle_eio_message('51-{"_placeholder":true,"num":0}'))
        self.assertEqual(c._binary_packet.packet_type, packet.BINARY_EVENT)
        _run(c._handle_eio_message(b'foo'))
        c._handle_event.mock.assert_called_with(None, None, b'foo')
        _run(c._handle_eio_message(
            '62-/foo,{"1":{"_placeholder":true,"num":1},'
            '"2":{"_placeholder":true,"num":0}}'))
        self.assertEqual(c._binary_packet.packet_type, packet.BINARY_ACK)
        _run(c._handle_eio_message(b'bar'))
        _run(c._handle_eio_message(b'foo'))
        c._handle_ack.mock.assert_called_with('/foo', None, {'1': b'foo',
                                                             '2': b'bar'})
        self.assertRaises(ValueError, _run, c._handle_eio_message('9'))

    def test_eio_disconnect(self):
        c = asyncio_client.AsyncClient()
        c._trigger_event = AsyncMock()
        _run(c._handle_eio_disconnect())
        c._trigger_event.mock.assert_called_once_with(
            'disconnect', namespace='/')

    def test_eio_disconnect_namespaces(self):
        c = asyncio_client.AsyncClient()
        c.namespaces = ['/foo', '/bar']
        c._trigger_event = AsyncMock()
        _run(c._handle_eio_disconnect())
        c._trigger_event.mock.assert_any_call('disconnect', namespace='/foo')
        c._trigger_event.mock.assert_any_call('disconnect', namespace='/bar')
        c._trigger_event.mock.assert_any_call('disconnect', namespace='/')

    def test_eio_disconnect_reconnect(self):
        c = asyncio_client.AsyncClient(reconnection=True)
        c.start_background_task = mock.MagicMock()
        c.eio.state = 'connected'
        _run(c._handle_eio_disconnect())
        c.start_background_task.assert_called_once_with(c._handle_reconnect)

    def test_eio_disconnect_self_disconnect(self):
        c = asyncio_client.AsyncClient(reconnection=True)
        c.start_background_task = mock.MagicMock()
        c.eio.state = 'disconnected'
        _run(c._handle_eio_disconnect())
        c.start_background_task.assert_not_called()

    def test_eio_disconnect_no_reconnect(self):
        c = asyncio_client.AsyncClient(reconnection=False)
        c.start_background_task = mock.MagicMock()
        c.eio.state = 'connected'
        _run(c._handle_eio_disconnect())
        c.start_background_task.assert_not_called()